added libs variable for ndbmgmclient used by mysqladmin
    add linkage with @ndb_mgmclient_libs@
    additional options for ndbcluster
    added support for managing the cluster to mysqladmin
    added DEFINE_CXA_PURE_VIRTUAL flag to CFLAGS to enable linkage with c++ libs
    use macros for C_MODE_START/END so that define of FIX_GCC_LINKING_PROBLEM works in c-programs


Makefile.am:
  changed compile order, mysqladming with ndbcluster extensions needs ndb to be compiled first
acinclude.m4:
  added libs variable for ndbmgmclient used by mysqladmin
client/Makefile.am:
  add linkage with @ndb_mgmclient_libs@
client/client_priv.h:
  additional options for ndbcluster
client/mysqladmin.c:
  added support for managing the cluster to mysqladmin
configure.in:
  added DEFINE_CXA_PURE_VIRTUAL flag to CFLAGS to enable linkage with c++ libs
include/my_global.h:
  use macros for C_MODE_START/END so that define of FIX_GCC_LINKING_PROBLEM works in c-programs